Fireproof building construction.



M. H. CARRICK.

FIREPROOF BUILDING CONSTRUCTION.

APPLICATION FILED NOV. 30, 19M

1,191,871 Patented Jul 18,1916.

2 SHEETS-SHEET I.

WITNESSES: v F INVENTOR 1 ,4. 2 M I z/rzmfiawmz M. H. CARRICK.

FIREPROOF BUILDING CONSTRUCTION.

APPLICATION men NOV; 30. 1914.

1,1 9 1,87 1. v Patented July 18, 1916.

2 SHEETSSHEET 2- VITNESSES: INVENTOR M25222 15f Haw/ 20% arms of the AUNITED STATES MARTIN H. CAB/RICK, OF SAN FRANCISCO, CALIFORNIA.

FIREPROOF BUILDING CONS'JIR'U'GTIQN'.

Specification of-Letters Patent. Patented J 1y 18, 191a Application filed November 30, 1914. Serial 110.874,?13.

To all whom it may concern.

Be it known that I, MARTIN H. CARRICK, a' citizen of the United States, residing in the city. and county of San Francisco and State of California, have invented new and useful Improvements in Fireproof Building Construction, of which the following is a specification.

This invention relates to a fireproof structure for partitions, roofs, floors, and the like.

One of the objects of the present invention is to provide a metal bar which is simple and. substantial in construction and which can be cheaply manufactured and quickly assembled for various purposes; for instance a series of bars may be assembled to form a partition structure or they may be assembled to form a roof or floor reinforcement, or a single bar may be used as a corner reinforcing strip in plaster or like work.

Another object of the invention is to provide a bar which is not only adapted to form various metal structures, such as are used for partitions, roofs, floors, and the like, but

which will also serve as a gage for the ce-- ment or plaster applied, thereby insuring a straight surface and even thickness throughout and also preventing cracking of same to any extent.

Further objects will hereinafter appear.

The invention consists of the parts and the construction and combination of parts as hereinafter more fully described and claimed, having reference to the accompanying drawings, in which- Figure 1 is a perspective view showing a single partition structure. Fig. 2 is a cross section of same on line 2-2, Fig. 1. Fig. 3 is a perspective view showing a modified form of bar. Fig. 4 is a plan view showing its application as a corner reinforcing strip,

Fig. 5 is a perspective view showing a double wall partition structure. Fi 6 is a perspective view of the angle strip. 1.

More particularl described, A indicates the metal bar whic forms the subject-matter of the present application. The bar is made, in suitable lengths and is T-shaped in cross section, being. preferably rolled or bent from" a 'single piece .of metal- The :cross -shaped bar are represented by the flanges 2 and 3 while the leg is represented by the side sections 4 and 5, said sections being preferably provided with registering rectangular shaped openings 6. The sections are-sufiiciently separated from each other to form a space 7 to receive the metal lath, 8. The openings 6 are provided as a means for tying on the wire lath and also I I form keys for the plaster; The flanges 2 and 3 are similarly provided with keys 9 which may also serve as a support for reinforcing bars 16 when these are used or required.

In operation, when erecting a p'a'rtition structure (see Fig. 1), a foot rail and a head rail B and C, of similar structure to A, are used. These are nailed to the floor and ceiling, or otherwise secured. The uprights 'A are slotted, as at 10, at each end so as to straddle the head and foot rails, and are secured to same by rivets 11, or any other suitable means. The metal lath is then applied by inserting the ends of same into the space formed between sections 4 and 5, and is here secured by squeezing the sections together .or tying them with wire 12 through the tions in position and then erecting the upright sections, as described.

With the structure in position and the lath thoroughly secured, the first coat 13 of plaster may be applied on both sides of the lath; the thickness of said coat being regulated by the flanges 2 and 3. These flanges serve as a'gage, insuring a straight surface and even thickness of plaster throughout and dividing the plaster up into sections or panels as it prevents checking or cracking to any extent. A solid reinforced partition structure is thus secured. A finishing coat 13 is then applied which covers up the gage flanges, giving the whole a highly finished straight plastered surface. The uprights A may be spaced any suitable distance apart to form plaster panels of a. corresponding width. These panels be inserted between the flanges of the uprights where desirable.

Figs. 1 and 2 show a single-solid partition structure while Fig. 5 shows a hollow double partition structure.v This. structureis similar to Fig. 1 only two sections are employed, said sections being spaced apart and tied together by cross bars 17. The structure may otherwise be reinforced by channel bars 18 or the like. .The plaster is in this instance only applied on the exterior surfaces, as shown in Fig. 5, thus forming a hollow sound-proof partition.

Referring to Fig. 4:, it will. be seen that bars A may also be used as reinforcing strips on inside and outside corners, the flanges 2 and 3 being bent to suit conditions, a's'shown.

Fig. 3 shows a slight modification of bar A, flange 3 being in this instance eliminated. This type of bar is used sometimes alternatelywith bar A where it is desired to secure large plaster panels.

From the foregoing description it will be seen that bar A may be used to great advantage in building construction as it not only forms a partition structure and plaster gage, but it may also be used as a corner strlp or reinforcement for floor or roof structures, thebars being assembled in pracscope of the appended claims and that I do not wish to limit myself to the specific design and construction here shown.

Having thus described my invention,

what I claim and desire to secure by Let-' ters Patent is- 1. In combination with spaced upper and lower horizontal rails, a bar secured at its ends to said rails, said bar being formed of a sheet of metal doubled upon itself and having its sides extended outwardly, wire netting received in the space between the doubled portion, wire netting engaged exteriorly over a side of the doubled portion, and horizontal bars extending over the wire netting and connected to the outwardly extending sides of the first named bar.

2. In combination with similar spaced upper and lower horizontal rails each of T-shape in cross section, a vertical bar independent of the rails and being doubled upon itself and having slots formed in its doubled edge and at the bar ends to receive the webs of the rails, and flanges extending outwardly from thebars at the sides thereof and engaged at their ends with the horizontal parts of said rails so as to be braced by the latter, said flanges acting as plaster gages and also as a means of support for reinforcing rods in use of the latter.

3. In combination with a bar composed of a metal sheet doubled upon itself and formed with openings located between the doubled and free side edges thereof, a section of wire netting received between the doubled parts of thevsheet, a second section of wire netting engaged with one of the doubled parts but exteriorly with said doubled parts so as to lie ad-jacent the openings, and tie wires passed through both of the aforementioned sections of wire netting and through the openings so as to hold both sections in position.

In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses.

MARTIN II. CARRIGII. Witnesses:

JOHN H. HERRING, W. W. HEALEY. 

